Solar flares — Oct 04, 2021
The strongest solar flare in the day
Flare of B9.2 level () — in 03:07
Solar activity index
Value for Oct 04, 2021 24:00 (end on the day). The maximum value is 10.0

Solar flares in 2 days
Chart of solar activity from Oct 03, 2021 to Oct 04, 2021
Time zone — UTC+00 (London)

This chart in PNG format — high resolution
API data: JSON or TXT
List of solar flares for Oct 04, 2021
Total number of flares of class C and higher — 10 flares
C type — 0 | M type — 0 | X type — 0
start | maximum | end | region | |
---|---|---|---|---|
B1.1
|
18:42 | 18:48 | 18:52 | 2880 |
B2.1
|
16:56 | 17:02 | 17:07 | 2882 |
B2.3
|
15:39 | 15:56 | 16:18 | — |
B1.5
|
13:38 | 13:42 | 13:51 | 2882 |
B2.2
|
09:53 | 10:03 | 10:09 | 2880 |
B1.6
|
08:40 | 08:56 | 09:01 | 2877 |
B1.6
|
08:31 | 08:38 | 08:40 | 2877 |
B9.2
|
02:52 | 03:07 | 03:18 | 2877 |
B7.5
|
02:25 | 02:38 | 02:52 | 2877 |
B3.0
|
00:24 | 00:31 | 00:42 | 2877 |